private void OnCharacteristicFound(object sender, FindInformationFoundEventArgs e)
{
if (_deviceService == null)
{
return;
}
var characteristic = BleMappings.MapBleDeviceCharacteristic(e);
if (characteristic == null)
{
return;
}
if (characteristic.CharacteristicId != Guid.Empty)
{
_lastCharacteristic = characteristic;
if (!_deviceService.Characteristics.ContainsKey(characteristic.CharacteristicId))
{
_deviceService.Characteristics.Add(characteristic.CharacteristicId, characteristic);
}
}
else if (_lastCharacteristic?.Handle > 0 && _lastCharacteristic?.ClientCharacteristicConfiguratorDescriptorHandle == 0)
{
_lastCharacteristic.ClientCharacteristicConfiguratorDescriptorHandle = characteristic.Handle;
}
}
private void ProcessBgBle_AttachCharacteristic(BgBleDeviceCharacteristic deviceCharacteristic)
{
if (deviceCharacteristic == null)
{
return;
}
_currentActionTokenSource = new CancellationTokenSource();
var attachCharacteristicTokenSource =
CancellationTokenSource.CreateLinkedTokenSource(_applicationCancellationTokenSource.Token,
_currentActionTokenSource.Token);
_logger.LogInformation($"BgBle Service: Attaching characteristic {deviceCharacteristic.CharacteristicId}");
_bleRepository.AttachCharacteristic(attachCharacteristicTokenSource.Token,
DeviceTimeout, ProcessBgBle_Callback_Attribute, deviceCharacteristic);
}
public void FetchCharacteristics(CancellationToken appToken, int connectTimeoutInMilliseconds,
BgBleDeviceService deviceService)
{
deviceService.Characteristics.Clear();
try
{
var lockTaken = false;
Monitor.TryEnter(ThreadLock, 150, ref lockTaken);
if (lockTaken)
{
if (_busy)
{
return;
}
_busy = true;
Monitor.Exit(ThreadLock);
}
_deviceService = deviceService;
_currentAction = new CancellationTokenSource();
var populateClientInformationTokenSource =
CancellationTokenSource.CreateLinkedTokenSource(appToken,
_currentAction.Token);
_bglib.SendCommand(_serialPort,
_bglib.BLECommandATTClientFindInformation(deviceService.ConnectionHandle, deviceService.Start,
deviceService.End));
WaitHandle.WaitAny(new[] { populateClientInformationTokenSource.Token.WaitHandle },
connectTimeoutInMilliseconds);
}
catch (Exception exception)
{
_logger.LogWarning(exception,
$"ControlPlus Repository: Unable to populate Client Information {deviceService.ServiceId}");
}
_lastCharacteristic = null;
_deviceService = null;
_device = null;
_busy = false;
}
public BluegigaPoweredUpBluetoothCharacteristic(BgBleService bgBleService,
BgBleDeviceCharacteristic bgBleDeviceCharacteristic)
{
_bgBleService = bgBleService;
_bgBleDeviceCharacteristic = bgBleDeviceCharacteristic;
}
public void WriteValueToCharacteristic(BgBleDeviceCharacteristic deviceCharacteristic, byte[] dataToWrite)
{
_bglib.SendCommand(_serialPort,
_bglib.BLECommandATTClientAttributeWrite(deviceCharacteristic.ConnectionHandle,
deviceCharacteristic.Handle, dataToWrite));
}
public void AttachCharacteristic(CancellationToken appToken, int connectTimeoutInMilliseconds,
Action <BgBleDeviceAttribute> attributeNotifications, BgBleDeviceCharacteristic deviceCharacteristic)
{
if (deviceCharacteristic.ClientCharacteristicConfiguratorDescriptorHandle == 0)
{
return;
}
try
{
var lockTaken = false;
Monitor.TryEnter(ThreadLock, 150, ref lockTaken);
if (lockTaken)
{
if (_busy)
{
return;
}
_busy = true;
Monitor.Exit(ThreadLock);
}
_attributeNotifications = attributeNotifications;
_currentAction = new CancellationTokenSource();
var attachCharacteristicTokenSource =
CancellationTokenSource.CreateLinkedTokenSource(appToken,
_currentAction.Token);
_bglib.SendCommand(_serialPort,
_bglib.BLECommandATTClientAttributeWrite(deviceCharacteristic.ConnectionHandle,
deviceCharacteristic.ClientCharacteristicConfiguratorDescriptorHandle, new byte[] { 0x01, 0x00 }));
WaitHandle.WaitAny(new[] { attachCharacteristicTokenSource.Token.WaitHandle },
connectTimeoutInMilliseconds);
}
catch (Exception exception)
{
_logger.LogWarning(exception,
$"ControlPlus Repository: Unable to attach characteristic {deviceCharacteristic.CharacteristicId}");
}
_busy = false;
}
public void WriteValueToCharacteristic(BgBleDeviceCharacteristic deviceCharacteristic, byte[] dataToWrite)
{
_bleRepository.WriteValueToCharacteristic(deviceCharacteristic, dataToWrite);
}